http://www.museumselection.co.uk/chrysocolla-and-onyx-necklace-prod20369/20369Chrysocolla & Onyx Necklacehttp://www.museumselection.co.uk/images/products/medium/20369.jpg37.9937.99GBPInStock/necklaces-and-pendants-deptnecklaces_pendants/Necklace echoing the beading of a dress from 1913 now held in the Costume gallery of the Pitti Palace in Florence.Chrysocolla and faceted black onyx with gold-plated beads.18" long, T-bar clasp.Clean with a soft cloth.UK